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dwelling, and Chairman Lyons felt that question was answered <br />earlier -- it depends on what capital improvements are going to <br />have to be made in those zones. <br />Mr. Gross also asked what the correlation is between these <br />numbers and the study made by -Dr. Nicholas on the $337,000 per <br />lane mile less credits, and Dr. Nicholas explained that is the <br />average cost per lane mile county -wide. It is the total cost of <br />the capital improvement program, which is $131 -million, divided <br />by the total number of lane miles of improvement. <br />Chairman Lyons noted that again we are operating on <br />averages, and Director Davis explained that the capital <br />improvement program was costed out using the DOT's cost estimate <br />in the State's recommended long-range street and highway program <br />document. The only exception to that is in the rural areas of <br />the county where it has been found that the County could build a <br />road under contract at a lesser specification than the DOT would <br />necessarily use, and, therefore, at a lesser cost. Actually, the <br />capital improvement program is using both DOT estimates and local <br />cost estimates, based on the type of the road. <br />Mr. Gross asked for clarification on how many additional <br />bridge lanes will be needed to carry future growth in the county, <br />and Dr. Nicholas explained that another two lanes would be needed <br />either at the Barber Bridge or somewhere to the north. <br />Director Davis felt that it is important for people to <br />understand that the 20 -year scenario projects the need for two <br />additional lanes of bridge capacity, while the built -out <br />condition of the barrier island demands at least 4 additional <br />lanes of bridge capacity. That is not included in this capital <br />improvement program, however. <br />Mr. Gross asked that if we do build a new bridge somewhere <br />in the county, would that make the capacity of the Merrill -Barber <br />Bridge satisfactory for the anticipated travel for the next <br />20 -year period, and Mr. Brown stated it would based on today's <br />population projections. <br />15 <br />OCT3019-8.5 <br />HoK 62 Frk �E 585 <br />